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Y9 Chemistry - Isotopes Question

A chlorine atom contains 17 protons and 17 electrons. About 25% of chlorine atoms are the chlorine-37 isotope. How many neutrons does one of these atoms contain?

How do I work this out?
Reply 1
Avatar for alow
alow
19
What are nuclei made out of?
Reply 2
Avatar for Pigster
Pigster
20
Original post by alow
What are nuclei made out of?


Is it cheese?

Oh hang on, that's the Moon.

It is beeswax?
lol, man i remember dem type of questions, so happy im done with chemistry. Wait is that physics or chem?
Reply 4
Avatar for etel
etel
8
Original post by gnewton12
A chlorine atom contains 17 protons and 17 electrons. About 25% of chlorine atoms are the chlorine-37 isotope. How many neutrons does one of these atoms contain?

How do I work this out?

Remember that an isotope has the same number of protons but a different amount of neutrons.

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